简述了生产聚氨酯弹性纤维的原料、制备工艺及纺丝工艺，重点介绍了其技术进展。
The raw materials, manufacturing technology, spinning process of polyurethane elastic fiber are introduced briefly.
简述了生产聚氨酯弹性纤维的原料、制备工艺及纺丝工艺，重点介绍了其技术进展。
The raw materials, manufacturing technology, spinning process of polyurethane elastic fiber are introduced briefly. Its technique progress is summarized emphatically.
该产品广泛应用于合成聚氨酯、 聚氨酯弹性纤维（氨纶）等许多化工产品的生产领域。
PTMG is widely used in the field of chemical industry, for example synthesis PU.
材质成分：聚酯纤维93.2%聚氨酯弹性纤维(氨纶)6.8%货号：C21服装版型：修身。
Material composition: 93.2% polyester polyurethane elastic fiber (spandex) item 6.8% : C21 garment version: Slim.
阐述了适于弹性纤维熔融纺丝的聚合物聚氨酯和聚醚酯的结构特点；
The structural characteristics of the polymer feedstock, polyurethane and polyether ester, practicable for elastic fiber melt spinning were described.
阐述了适于弹性纤维熔融纺丝的聚合物聚氨酯和聚醚酯的结构特点；
The structural characteristics of the polymer feedstock, polyurethane and polyether ester, practicable for elastic fiber melt spinning were described.
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